Agentic Protocols

Content Signals (noai, noimageai)

Definition

Content Signals are HTTP headers and meta tags declaring how AI systems may use content. Common signals include Content-Signal: noai (do not use for AI training), noimageai (do not use images for AI training), TDM-Reservation (text and data mining reservation under EU copyright law) and Cloudflare's CF-Content-Signal extension.

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More from Agentic Protocols

Model Context Protocol→Agent Skills→WebMCP→x402→NLWeb→Web Bot Auth→DNS for AI Discovery→
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